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Grip-Rite GRSSHW516420 5/16' x 4' Structural Screw Dual Drive Power Hex Washer Star Drive Head 20CT

Free shipping on orders over $29.99

$10.50

$ 4 .99 $4.99

In Stock

About this item

  • LAG SCREW REPLACEMENT: Faster than lag screws in exterior structural wood applications
  • WEATHER RESISTANCE: PrimeGuard Plus coating provides corrosion protection in treated lumber
  • SELF STARTING: Type 17 point reduces need to pre-drill and prevents wood-splitting
  • ICC Code Compliant (ESR-3933) is stamped right into the head for easy spec reference
  • Load value chart is conveniently located on every package



Product Description

GRIP-RITE HEX AND FLAT HEAD STRUCTURAL SCREWS

GRIP-RITE HEX AND FLAT HEAD STRUCTURAL SCREWS

  • No pre-drilling: 17-point course thread
  • Choice of included hex driver or T-20 star drvie bit
  • Approved for use in treated lumber in exterior wood structural application
GRIP-RITE HEX AND FLAT HEAD STRUCTURAL SCREWS

Grip-Rite Structural Screws offer versatility, speed, and longevity in load-bearing exterior wood construction projects. Available in both traditional flat head and hex head styles, the hex head features Grip-Rite exclusive Dual Drive Power, which brings flexibility to the job site with a unique combined Hex Washer/Star Drive recess head, offering the user a choice of using the included hex driver or a star drive bit to fasten the screw. Both styles include an ID code stamped right into the head for easy spec reference and a load value chart conveniently located on every package. As a replacement for lag screws, Grip-Rite Structural Screws feature a type 17 point that translates to both efficiency and time savings by eliminating the need to pre-drill pilot holes.

Our premium PrimeGuard Plus coating assures that Grip-Rite Structural Screws will last throughout a project’s lifetime.


John Galt III
Reviewed in the United States on January 10, 2025
Very Good Screw…….would recommend!
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